SAN ANTONIO — The Lakers stuck around for a while, then couldn’t keep up with the San Antonio Spurs tonight for their third consecutive loss. Lots and lots of their shortcomings were exposed in their first game this season with the league-leading Spurs (27-4). The Lakers (21-10) struggled to contain their emotions. Kobe Bryant and Derek Fisher got technical fouls. Bryant scored 21 points on 8-for-27 shooting. Pau Gasol scored nine points in the first half, but went scoreless in the second. Andrew Bynum had 10 points and seven rebounds, but missed six of eight free throws. Tony Parker had 23 for the Spurs.